/**
 * Created with IntelliJ IEDA.
 * Description:
 * User:86186
 * Date:2022-05-21
 * Time:15:08
 */
class Person{
    public String name = "hahaha";

}
class Student{

}

public class Test {
    public static void main(String[] args) {
        function(new Person());
        function(new Student());
    }
    public static void function(b obj) {
        System.out.println(obj);
    }

